week 5

    Cards (85)

    • What organelle in eukaryotic cells is the site of cellular respiration?
      Mitochondrion
    • What is a mixotroph?
      An organism capable of photosynthesis and heterotrophy
    • What type of symbiotic relationship benefits both participants?
      Mutualism
    • What is nitrogen fixation?
      The conversion of atmospheric nitrogen to ammonia
    • What is the non-membrane-bounded region in a prokaryotic cell called?
      Nucleoid
    • What is an obligate aerobe?
      An organism that requires oxygen for respiration
    • What is an obligate anaerobe?
      An organism that cannot use oxygen and may be poisoned by it
    • What type of protist acquires nutrition mainly as a decomposer or plant parasite?
      Oomycete
    • What does osmoregulation refer to?
      Regulation of solute concentrations and water balance
    • What is osmosis?
      The diffusion of free water across a membrane
    • What is a parabasalid?
      A protist with modified mitochondria
    • What may have originated by secondary endosymbiosis?
      Chromalveolates
    • What defines Rhizarians?
      A diverse group of protists defined by DNA similarities
    • What are red algae and green algae to land plants?
      They are the closest relatives
    • What do Unikonts include?
      Protists closely related to fungi and animals
    • What roles do protists play in ecological communities?
      They play key roles in ecological communities
    • What is parasitism?
      A relationship where one organism benefits at another's expense
    • What is a pathogen?
      An organism, virus, viroid, or prion that causes disease
    • What is peptidoglycan?
      A polymer in bacterial cell walls of modified sugars
    • What structure links one bacterial cell to another during conjugation?
      Pilus
    • What is a plasmid?
      A small circular DNA molecule in bacteria
    • What is a producer?
      An organism that produces organic compounds from CO2
    • What is a pseudopodium?
      A cellular extension of amoeboid cells
    • What is a stipe?
      A stem-like structure of a seaweed
    • What is a symbiont?
      The smaller participant in a symbiotic relationship
    • What is a stramenopile?
      A protist with a hairy flagellum paired with a smooth one
    • What is symbiosis?
      An ecological relationship between two different species
    • What does taxis refer to?
      An oriented movement toward or away from a stimulus
    • What is a thallus?
      A plant-like body of seaweed lacking true roots
    • What does Unikonta consist of?
      Amoebozoans and opisthokonts
    • What do structural and functional adaptations contribute to?
      Prokaryotic success
    • What have diverse nutritional and metabolic adaptations done in prokaryotes?
      They have evolved over time
    • What is molecular systematics illuminating?
      Prokaryotic phylogeny
    • What roles do prokaryotes play in the biosphere?
      They play crucial roles
    • What impacts do prokaryotes have on humans?
      Both beneficial and harmful impacts
    • What type of organisms are most eukaryotes?
      Single-celled organisms
    • What do Excavates include?
      Protists with modified mitochondria and unique flagella
    • What does a Gram stain distinguish?
      Between two different kinds of bacterial cell walls
    • What are green algae known for?
      Photosynthetic protists with chloroplasts similar to land plants
    • What is a haploid cell?
      A cell with one set of chromosomes
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